SelfRestraint vs SQLZOO
A side-by-side look at SelfRestraint and SQLZOO. For an in-depth review of either product, follow the links below.
SelfRestraint
Productivity
SelfRestraint is a free and open-source website blocking software for Windows, Mac, and Linux. It allows users to block distracting websites for a set period of time to improve productivity and focus.
productivityfocuswebsite-blockingopen-source
SQLZOO
Education & Reference
SQLZOO is a free online resource that helps users learn SQL concepts through interactive tutorials and exercises. It covers SQL syntax for a variety of database management systems.
sqldatabasetutorialsexercises
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